Benefactor's Draught — ruling 1

You must cast Benefactor’s Draught before blockers are declared in order to draw any cards from its delayed triggered ability.

Benefactor's Draught — ruling 2

Each player will have a chance to cast instants and activate abilities after Benefactor’s Draught’s delayed triggered abilities have resolved, before combat damage is dealt.

Benefactor's Draught — ruling 3

If multiple copies of Benefactor’s Draught resolve in one turn, each creates a delayed triggered ability and each will trigger when its condition is met.

Benefactor's Draught : règles, fonctionnement et interactions (MTG)

Benefactor's Draught is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Untap all creatures. Until end of turn, whenever a creature an opponent controls blocks, draw a card. Draw a card.

How it works : Benefactor's Draught

Original English text — Wizards of the Coast / Scryfall

#1November 8, 2016· Wizards of the Coast
You must cast Benefactor’s Draught before blockers are declared in order to draw any cards from its delayed triggered ability.
No other card is named in this ruling.
#2November 8, 2016· Wizards of the Coast
Each player will have a chance to cast instants and activate abilities after Benefactor’s Draught’s delayed triggered abilities have resolved, before combat damage is dealt.
No other card is named in this ruling.
#3November 8, 2016· Wizards of the Coast
If multiple copies of Benefactor’s Draught resolve in one turn, each creates a delayed triggered ability and each will trigger when its condition is met.
No other card is named in this ruling.